Through the Backdoor: How Governments Steal Data

How The World Keeps Listening In On Russia's Military Communications

We will look at the situation in Ukraine. Read more.

Clipping Pegasus' Wings: How to Protect Yourself from Cyberattacks

We live in a digital age. How to protect yourself from threatening cyber attacks? Read more.

How Governments Can Protect Their Sensitive Data with this App

How can you protect yourself and the people you serve? Read more.

Silentel 7.6: In-App privileges & Platform privileges

We’re happy to inform you that new Silentel 7.6 update with In-App privileges and Platform privileges is here.

Silentel 7.5: Your password matters

We’re happy to inform you that new Silentel 7.5 update with advanced password policy is already available.

Silentel 7.4: Enhanced Push-to-Talk functionalities

We’re happy to inform you about new Silentel update with enhanced Push-to-Talk (PTT) functionalities and further users' improvements.

Silentel 7.3: Latest update

We’re happy to inform you that new Silentel 7.3 update with many functional and security improvements is here.

Important information and Silentel offer during COVID-19

During COVID-19 Silentel will help you even more by minimizing of personal meetings or physical delivery of documents and other electronic materials.

Silentel 7.2: Extreme performance. Extreme security

Silentel is now significantly faster when opening and reconnecting. All performance enhancements are in line with highest security standards.

Silentel 7.1 - update

We update the app regularly so we can make it better for you.

Silentel 7 - Secure Group chat and New Design

New design. New apps for Android, iOS and Windows PC. Group chat messaging.

Secure Conference

Secure conference allows secure real-time voice communication between two and more users with device-to-device encryption.

Login and unlock Silentel with Face ID on iPhone X

New Face ID technology with existing Touch ID provides most comfortable way of authorization to Silentel.

Silentel 6.7 release introducing Secure Conference

Latest Silentel update brings conference feature with unique security and many other functional and security improvements.

Researchers prove mass usage of surveillance devices. Gartner calls for using voice and data encryption

What is an IMSI-catcher, how much does it cost and how to protect your communication against mobile threats?

Hacking mobile phones via SS7 is still up to date. Now even your bank account is vulnerable as well

Hackers could bypass SMS two-factor authentication to drain bank accounts.

New version Silentel 6.6 is available now

Silentel 6.6

WikiLeaks: CIA can hack your phone, PC, and TV

WikiLeaks has published a new series of leaks describing how the CIA can eavesdrop on mobile phones, computers and smart TVs.

New Silentel brochures

Get new Silentel brochures to find out more about benefits of secure communication.

Silentel certified in Bulgaria

Silentel has passed the certification process and received a certificate from Bulgarian government.

Silentel is a partner of the Slovak EU Presidency

Top official representatives of the EU Presidency can rely on secure mobile communication provided by Silentel.

Silentel 6.5

We are happy to provide you with release notes for coming Silentel update.

Aliases for Contacts

Aliases allows you to assign arbitrary and anonymous usernames on the Silentel Server, and then rename the Silentel contacts in the client app.

Touch ID Login

Your fingerprint can be used to log in to Silentel. It’s not necessary to type your password. Just place your fingerprint.

OpenSSL Heartbleed Bug? Silentel is 100% secure

There’re lot of news in the past few days about serious security bug in OpenSSL, commonly known as the “Heartbleed bug”.